
var express = require('express')
var path = require('path')
var logger = require('morgan')
var cookieParser = require('cookie-parser')
var bodyParser = require('body-parser')
const mongoose = require('mongoose')
const Model = require('./model')
const { Manufacturer } = Model

var index = require('./routes/index')
var users = require('./routes/users')
const api = require('./routes/api')

var app = express()

// view engine setup
app.set('views', path.join(__dirname, 'views'))
app.set('view engine', 'ejs')

// Datbase connection here
mongoose.connect('mongodb://localhost:27017/test', { useNewUrlParser: true })
mongoose.connection.once('open', function () {
  console.log('数据库连接成功了')
})
Manufacturer.find({}, function (err, doc) {
  if (err) {
    console.log(err.message)
  } else {
    console.log(doc)
  }
})

// CORS config here
app.all('/*', function (req, res, next) {
  // CORS headers
  res.header('Access-Control-Allow-Origin', '*') // restrict it to the required domain
  res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,OPTIONS')
  // Set custom headers for CORS
  res.header('Access-Control-Allow-Headers', 'Content-type,Accept,X-Access-Token,X-Key')
  if (req.method === 'OPTIONS') {
    res.status(200).end()
  } else {
    next()
  }
})

// uncomment after placing your favicon in /public
// app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'))
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: false }))
app.use(cookieParser())
app.use(express.static(path.join(__dirname, 'public')))

app.use('/', index)
app.use('/users', users)
app.use('/api/v1', api)

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  var err = new Error('Not Found')
  err.status = 404
  next(err)
})

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message
  res.locals.error = req.app.get('env') === 'development' ? err : {}

  // render the error page
  res.status(err.status || 500)
  res.render('error')
})

module.exports = app
